Driving apparatus, and lens apparatus and image pickup apparatus including the same
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jun 26, 2014
app pub date -
Dec 20, 2013
filing date -
Dec 26, 2012
priority date (Note) -
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Abstract
Provided is a driving apparatus for driving a movable optical member, the driving apparatus being removably attached to a lens barrel, the driving apparatus including: a rotary absolute position detector detecting a position of which the movable optical member, the rotary absolute position detector outputting an output value having a unique value with respect to a rotation angle within a range of a single rotation, and the output value having a point of discontinuity at which the output value is discontinuous every single rotation; and a controller performing boundary processing that handles the output value, corresponding to a driving range of the movable optical member, of the rotary absolute position detector having the point of discontinuity as a continuous value.
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